<template>
    <el-card>
        <!-- 查询条件开始 -->
        <el-form ref="queryForm" :model="queryParams" :inline="true" label-width="68px">
            <el-form-item label="角色名称" prop="roleName">
                <el-input
                        v-model="queryParams.roleName"
                        placeholder="请输入角色名称"
                        clearable
                        size="small"
                        style="width:240px"
                />
            </el-form-item>
            <el-form-item label="权限字符" prop="roleCode">
                <el-input
                        v-model="queryParams.roleCode"
                        placeholder="请输入权限字符"
                        clearable
                        size="small"
                        style="width:240px"
                />
            </el-form-item>
            <el-form-item label="状态" prop="status">
                <el-select
                        v-model="queryParams.status"
                        placeholder="可用状态"
                        clearable
                        size="small"
                        style="width:240px"
                >
                    <el-option
                            v-for="dict in statusOptions"
                            :key="dict.dictValue"
                            :label="dict.dictLabel"
                            :value="dict.dictValue"
                    />
                </el-select>
            </el-form-item>
            <el-form-item label="创建时间">
                <el-date-picker
                        v-model="dateRange"
                        size="small"
                        style="width:240px"
                        value-format="yyyy-MM-dd"
                        type="daterange"
                        range-separator="-"
                        start-placeholde="开始日期"
                        end-placeholde="结束日期"
                />
            </el-form-item>
            <el-form-item>
                <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
                <el-button type="primary" icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
            </el-form-item>
        </el-form>
        <!-- 查询条件结束 -->

        <!-- 表格工具按钮开始 -->
        <el-row :gutter="10" style="margin-bottom: 8px;">
            <el-col :span="1.5">
                <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAdd">新增</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="success" icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate">
                    修改
                </el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button type="danger" icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete">
                    批量删除
                </el-button>
            </el-col>
        </el-row>
        <!-- 表格工具按钮结束 -->

        <!-- 数据表格开始 -->
        <el-table v-loading="loading" border :data="roleTableList" @selection-change="handleSelectionChnage">
            <el-table-column type="selection" width="55" align="center"/>
            <el-table-column label="角色ID" align="center" prop="roleId"/>
            <el-table-column label="角色名称" align="center" prop="roleName"/>
            <el-table-column label="权限编码" align="center" prop="roleCode"/>
            <el-table-column label="显示顺序" align="center" prop="roleSort"/>
            <el-table-column label="状态" prop="status" align="center" :formatter="statusFormatter"/>
            <el-table-column label="备注" align="center" prop="remark"/>
            <el-table-column label="创建时间" align="center" prop="createTime"/>
            <el-table-column label="操作" align="center" width="280">
                <template slot-scope="scope">
                    <el-button type="text" icon="el-icon-edit" size="mini" @click="handleUpdate(scope.row)">修改
                    </el-button>
                    <el-button type="text" icon="el-icon-delete" size="mini" @click="handleDelete(scope.row)">删除
                    </el-button>
                    <el-button type="text" icon="el-icon-thumb" size="mini" @click="handleSelectMenu(scope.row)">
                        分配权限
                    </el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 数据表格结束 -->
        <!-- 分页控件开始 -->
        <el-pagination
                v-show="total>0"
                :current-page="queryParams.pageNum"
                :page-sizes="[5, 10, 20, 30]"
                :page-size="queryParams.pageSize"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
        />
        <!-- 分页控件结束 -->

        <!-- 添加修改弹出层开始 -->
        <el-dialog
                :title="title"
                :visible.sync="open"
                width="500px"
                center
                append-to-body
        >
            <el-form ref="form" :model="form" :rules="rules" label-width="80px">
                <el-form-item label="角色名称" prop="roleName">
                    <el-input v-model="form.roleName" placeholder="请输入角色名称" clearable size="small"/>
                </el-form-item>
                <el-form-item label="权限编码" prop="roleCode">
                    <el-input v-model="form.roleCode" placeholder="请输入权限字符" clearable size="small"/>
                </el-form-item>
                <el-form-item label="显示顺序" prop="roleSort">
                    <el-input-number v-model="form.roleSort" clearable size="small"/>
                </el-form-item>
                <el-form-item label="状态" prop="status">
                    <el-radio-group v-model="form.status">
                        <el-radio
                                v-for="dict in statusOptions"
                                :key="dict.dictValue"
                                :label="dict.dictValue"
                                :value="dict.dictValue"
                        >{{ dict.dictLabel }}
                        </el-radio>
                    </el-radio-group>
                </el-form-item>
                <el-form-item label="备注" prop="remark">
                    <el-input v-model="form.remark" type="textarea" placeholder="请输入字典备注" clearable
                              size="small"/>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="handleSubmit">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </span>
        </el-dialog>
        <!-- 添加修改弹出层结束 -->

        <!-- 分配权限弹出层开始 -->
        <el-dialog
                :title="title"
                :visible.sync="selectMenuOpen"
                width="400px"
                center
                append-to-body
        >
            <el-tree
                    ref="menu"
                    :data="menuOptions"
                    show-checkbox
                    node-key="menuId"
                    highlight-current
                    empty-text="加载中，请稍后"
                    :props="{id:'menuId',children:'children',label:'menuName'}"
            />
            <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="handleSelectMenuSubmit">确 定</el-button>
        <el-button @click="cancelSelectMenu">取 消</el-button>
      </span>
        </el-dialog>
        <!-- 分配权限和菜单弹出层结束 -->
    </el-card>
</template>

<script>
import {selectAllRole, listRoleForPage, addRole, updateRole, getRoleById, deleteRoleByIds} from '@/apis/system/role'
import {getDictDataAPI} from "@/apis/comm/dictData";
import {getMenuIdsByRoleId, listAllMenus, saveRoleMenu} from "@/apis/system/menu";

export default {
    // 定义页面数据
    data() {
        return {
            // 是否启用遮罩层
            loading: false,
            // 选中数组
            ids: [],
            // 非单个禁用
            single: true,
            // 非多个禁用
            multiple: true,
            // 分页数据总条数
            total: 0,
            // 字典表格数据
            roleTableList: [],
            // 弹出层标题
            title: '',
            // 是否显示弹出层
            open: false,
            // 状态数据字典
            statusOptions: [],
            // 日期范围
            dateRange: [],
            // 查询参数
            queryParams: {
                pageNum: 1,
                pageSize: 5,
                roleName: undefined,
                roleCode: undefined,
                status: undefined
            },
            // 表单数据
            form: {},
            // 表单校验
            rules: {
                roleName: [
                    {required: true, message: '角色名称不能为空', trigger: 'blur'}
                ],
                roleCode: [
                    {required: true, message: '权限编码不能为空', trigger: 'blur'}
                ]
            },
            // 是否打开分配权限的弹出层
            selectMenuOpen: false,
            // 菜单树的数据
            menuOptions: [],
            // 当前选中持角色ID
            currentRoleId: undefined
        }
    },
    created() {
        // 使用全局的根据字典类型查询字典数据的方法查询字典数据
        getDictDataAPI('sys_normal_disable').then(res => {
            this.statusOptions = res.data
        })
        // 查询表格数据
        this.getRoleList()
    },
    //方法
    methods: {
        // 打开分配权限和菜单的弹出层
        handleSelectMenu(row) {
            this.currentRoleId = row.roleId || this.ids[0]
            this.title = '---分配权限---'
            this.selectMenuOpen = true
            // 查询所有可用的菜单
            listAllMenus().then(res => {
                this.menuOptions = this.handleTree(res.data, 'menuId')
            })
            // 根据角色ID查询当前角色拥有的哪些菜单权限
            getMenuIdsByRoleId(this.currentRoleId).then(res => {
              let menuids = [];
              // 使用可选链操作符防止报错
              const menuData = res.data?.menuIds || []; // 根据实际数据结构调整

              // 使用数组方法更安全
              menuids = menuData
                  .filter(item => item.menuType === "C")
                  .map(item => item.menuId);

              this.$refs.menu.setCheckedKeys(menuids);
            })
        },
        // 保存角色和菜单权限的关系
        handleSelectMenuSubmit() {
            // 获取选中的keys
            const checkedKeys = this.$refs.menu.getCheckedKeys()
            // 获取半选的keys
            const halfCheckKeys = this.$refs.menu.getHalfCheckedKeys()
            // 组合成最后的keys
            const finalKey = halfCheckKeys.concat(checkedKeys)
            saveRoleMenu(this.currentRoleId, finalKey).then(res => {
                this.msgSuccess('分配成功')
                location.reload()
                this.selectMenuOpen = false
            }).catch(() => {
                this.msgError('--分配失败--')
                this.selectMenuOpen = false
            })
        },
        // 关闭分配权限的弹出层
        cancelSelectMenu() {
            this.selectMenuOpen = false
            this.menuOptions = []
        },
        // 重置表单
        reset() {
            this.resetForm('form')
            this.form = {
                roleId: undefined,
                roleName: undefined,
                roleCode: undefined,
                roleSort: 0,
                remark: undefined,
                status: '0'
            }
        },
        // 增加修改确定
        handleSubmit() {
            this.$refs['form'].validate((valid) => {
                if (valid) {
                    // 做添加
                    this.loading = true
                    if (this.form.roleId === undefined) {
                      console.log(this.form)
                        addRole(this.form).then(res => {
                            this.msgSuccess('---添加成功---')
                            this.loading = false
                            this.getRoleList()// 列表重新查询
                            this.open = false// 关闭弹出层
                        }).catch(() => {
                            this.loading = false
                        })
                    } else { // 做修改
                        updateRole(this.form).then(res => {
                            this.msgSuccess('修改成功')
                            this.loading = false
                            this.getRoleList()// 列表重新查询
                            this.open = false// 关闭弹出层
                        }).catch(() => {
                            this.loading = false
                        })
                    }
                }
            })
        },
        // 查询表格数据
        getRoleList() {
            this.loading = true // 打开遮罩
            listRoleForPage(this.queryParams).then(res => {
                this.roleTableList = res.data.records;
                this.total = res.data.total;
                this.loading = false// 关闭遮罩
            })
        },
        // 条件查询
        handleQuery() {
            this.queryParams.pageNum = 1;
            this.getRoleList()
        },
        // 重置查询条件
        resetQuery() {
            this.resetForm('queryForm')
            this.dateRange = []
            this.getRoleList()
        },
        // 数据表格的多选择框选择时触发
        handleSelectionChnage(selection) {
            this.ids = selection.map(item => item.roleId)
            this.single = selection.length !== 1
            this.multiple = !selection.length
        },
        // 分页pageSize变化时触发
        handleSizeChange(val) {
            this.queryParams.pageSize = val
            // 重新查询
            this.getRoleList()
        },
        // 点击上一页  下一页，跳转到哪一页面时触发
        handleCurrentChange(val) {
            this.queryParams.pageNum = val
            // 重新查询
            this.getRoleList()
        },
        // 取消
        cancel() {
            this.open = false
            this.title = ''
        },
        // 翻译状态
        statusFormatter(row) {
            return this.selectDictLabel(this.statusOptions, row.status)
        },
        // 打开添加的弹出层
        handleAdd() {
            this.open = true
            this.reset()
            this.title = '---添加角色---'
        },
        // 打开修改的弹出层
        handleUpdate(row) {
            this.title = '---修改角色---'
            const roleId = row.roleId || this.ids
            // const dictId = row.dictId === undefined ? this.ids[0] : row.dictId
            this.open = true
            this.reset()
            // 根据dictId查询一个字典信息
            this.loading = true
            getRoleById(roleId).then(res => {
                this.form = res.data
                this.loading = false
            })
        },
        // 执行删除
        handleDelete(row) {
            const roleIds = row.roleId || this.ids
            this.$confirm('此操作将永久删除该角色数据, 是否继续?', '提示', {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning'
            }).then(() => {
                this.loading = true
                deleteRoleByIds(roleIds).then(res => {
                    this.loading = false
                    this.msgSuccess('删除成功')
                    this.queryParams.pageNum = 1;
                    this.getRoleList()// 全查询
                })
            }).catch(() => {
                this.msgError('删除已取消')
                this.loading = false
            })
        },
    },


}
</script>

<style scoped>

</style>